///////////////////////////////////////////////////////////////////////
// Find two numbers which only appear once in an array
// Input: data - an array contains two number appearing exactly once,
//               while others appearing exactly twice
//        length - the length of data
// Output: num1 - the first number appearing once in data
//         num2 - the second number appearing once in data
///////////////////////////////////////////////////////////////////////
int main(void)
{
    printf("All done -- exiting \n");
    return 0;
}